20018076

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{128321}}^1$

素因数の和:128341

約数の個数: 24

約数和(自身を含む): 50302224

約数和(自身を除く): 30284148

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 128321, 256642, 384963, 513284, 769926, 1539852, 1668173, 3336346, 5004519, 6672692, 10009038, 20018076]

約数ペア:

[(1, 20018076), (2, 10009038), (3, 6672692), (4, 5004519), (6, 3336346), (12, 1668173), (13, 1539852), (26, 769926), (39, 513284), (52, 384963), (78, 256642), (156, 128321)]